 Dee Bradley BakerLouie (voice) | Louie (voice) |
 Jason AlexanderFather (voice) | Father (voice) |
 Mary SteenburgenMother (voice) | Mother (voice) |
 Reese WitherspoonSerena (voice) | Serena (voice) |
 Seth GreenBoyd (voice) | Boyd (voice) |
 Carol BurnettMrs. Hammerbotham (voice) | Mrs. Hammerbotham (voice) |
 Joe MantegnaMonty (voice) | Monty (voice) |
| SSam GifaldiSam the Beaver (voice) | Sam the Beaver (voice) |
 Melissa DisneyBillie (voice) | Billie (voice) |
 Kath SoucieSerena (cygnet) / Paramedic / Newscaster (voice) | Serena (cygnet) / Paramedic / Newscaster (voice) |
 E. G. DailyElla (voice) | Ella (voice) |
 Pamela AdlonA.G. Skinner (voice) | A.G. Skinner (voice) |
 Steve VinovichMaurice / Roger (voice) | Maurice / Roger (voice) |
 Gary Anthony WilliamsSweets (voice) | Sweets (voice) |
 Corey BurtonSenator (voice) | Senator (voice) |
 Michael WinslowChief (voice) | Chief (voice) |
| DDavid JeremiahSquirrel / Hawk (voice) | Squirrel / Hawk (voice) |
 Julie NathansonFelicity (voice) | Felicity (voice) |
 Jack AngelJustice of the Geese (voice) | Justice of the Geese (voice) |
 Dana DaureyApathy (voice) | Apathy (voice) |
 Michael KostroffWaiter (voice) | Waiter (voice) |
| LLee MagnusonClerk (voice) | Clerk (voice) |
 Steve FrankenBud (voice) | Bud (voice) |
 Norman ParkerPoliceman (voice) | Policeman (voice) |
